总述：本次共解1题。其中
           ☆算术计算1题

〖1/1算式〗
    作业：求算式 -75999.85009*sin(90)/sqrt(74746.76*sin(90)+154072.92)-2840371277.3566*cos(90)*cos(90)/(74746.76*sin(90)+154072.92)/sqrt(74746.76*sin(90)+154072.92) 的值.
    题型：数学计算
    解:
          -75999.85009*sin(90)/sqrt(74746.76*sin(90)+154072.92)-2840371277.3566*cos(90)*cos(90)/(74746.76*sin(90)+154072.92)/sqrt(74746.76*sin(90)+154072.92)
        =-75999.85009*sin90/sqrt(74746.76*sin(90)+154072.92)-2840371277.3566*cos(90)*cos(90)/(74746.76*sin(90)+154072.92)/sqrt(74746.76*sin(90)+154072.92)
        =-75999.85009*sin90/sqrt(74746.76*sin90+154072.92)-2840371277.3566*cos(90)*cos(90)/(74746.76*sin(90)+154072.92)/sqrt(74746.76*sin(90)+154072.92)
        =-75999.85009*sin90/sqrt220896.2992-2840371277.3566*cos(90)*cos(90)/(74746.76*sin(90)+154072.92)/sqrt(74746.76*sin(90)+154072.92)
        =-75999.85009*sin90/sqrt220896.2992-2840371277.3566*cos90*cos(90)/(74746.76*sin(90)+154072.92)/sqrt(74746.76*sin(90)+154072.92)
        =-75999.85009*sin90/sqrt220896.2992-2840371277.3566*cos90*cos90/(74746.76*sin(90)+154072.92)/sqrt(74746.76*sin(90)+154072.92)
        =-75999.85009*sin90/sqrt220896.2992-2840371277.3566*cos90*cos90/(74746.76*sin90+154072.92)/sqrt(74746.76*sin(90)+154072.92)
        =-75999.85009*sin90/sqrt220896.2992-2840371277.3566*cos90*cos90/220896.2992/sqrt(74746.76*sin(90)+154072.92)
        =-75999.85009*sin90/sqrt220896.2992-2840371277.3566*cos90*cos90/220896.2992/sqrt(74746.76*sin90+154072.92)
        =-75999.85009*sin90/sqrt220896.2992-2840371277.3566*cos90*cos90/220896.2992/sqrt220896.2992
        =-75999.85009*0.893997/sqrt220896.2992-2840371277.3566*cos90*cos90/220896.2992/sqrt220896.2992
        =-75999.85009*0.893997/469.996063-2840371277.3566*cos90*cos90/220896.2992/sqrt220896.2992
        =-75999.85009*0.893997/469.996063-2840371277.3566*-0.448074*cos90/220896.2992/sqrt220896.2992
        =-75999.85009*0.893997/469.996063-2840371277.3566*-0.448074*-0.448074/220896.2992/sqrt220896.2992
        =-75999.85009*0.893997/469.996063-2840371277.3566*-0.448074*-0.448074/220896.2992/469.996063
        =-67943.637981/469.996063-2840371277.3566*(-0.448074)*(-0.448074)/220896.2992/469.996063
        =(-144.562143)-2840371277.3566*(-0.448074)*(-0.448074)/220896.2992/469.996063
        =-144.562143-(-1272696519.730281)*(-0.448074)/220896.2992/469.996063
        =-144.562143-570262220.381626/220896.2992/469.996063
        =-144.562143-2581.583406/469.996063
        =-144.562143-5.492777
        =-150.05492
    答案:-75999.85009*sin(90)/sqrt(74746.76*sin(90)+154072.92)-2840371277.3566*cos(90)*cos(90)/(74746.76*sin(90)+154072.92)/sqrt(74746.76*sin(90)+154072.92)=-150.05492
    注：弧度制

你的问题在这里没有得到解决？请到 热门难题 里面看看吧！